3944811011 has 4 divisors (see below), whose sum is σ = 3998849592. Its totient is φ = 3890772432.

The previous prime is 3944811001. The next prime is 3944811037. The reversal of 3944811011 is 1101184493.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101184493 = 197 ⋅5589769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3944811011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3944811001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27019181 + ... + 27019326.

It is an arithmetic number, because the mean of its divisors is an integer number (999712398).

Almost surely, 2^3944811011 is an apocalyptic number.

3944811011 is a deficient number, since it is larger than the sum of its proper divisors (54038581).

3944811011 is an equidigital number, since it uses as much as digits as its factorization.

3944811011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54038580.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 3944811011 is about 62807.7305034977. The cubic root of 3944811011 is about 1580.0666279386.

The spelling of 3944811011 in words is "three billion, nine hundred forty-four million, eight hundred eleven thousand, eleven".